Y dont u get a house Phone set like this
I got the extact same phone set in the picture above from a Car boot sale few years ago for a bout £8
.
So Basically the main headset u will plug in the main virgin media phone socket
The other headsets u will plug in in where ever u want
Matter of fact som1 is selling the extact phone set on ebay
http://www.ebay.co.uk/itm/bt-freelan...item336d3465af